The fastest way to recover your account is through Facebook's official recovery process: Dial 1(833) 611-4101.Go to facebook.com/hacked. Select My Account Is Compromised. Enter your email, phone number, or username to locate your account. Follow the instructions to reset your password and secure your account.
https://www.devex.com/people/can-i-get-my-facebook-account-back-if-it-was-hacked-expert-support-2426422
